<?php if( count($aSubCategories) > 0): ?>
    <?php foreach($aSubCategories as $subcat): ?>
        <option value="<?php echo $subcat['id'] ?>" ><?php echo $subcat['title'] ?></option>
    <?php endforeach; ?>
<?php else: ?>
    <option value="0" >--</option>    
<?php endif; ?>
